Dpi time object, Class code, Instances – Rockwell Automation 20-COMM-R Remote I/O Adapter User Manual
Page 105: Class attributes, Instance attributes, C-19

CIP Objects
C-19
20-COMM-R Remote I/O Adapter User Manual
Publication 20COMM-UM004D-EN-P
DPI Time Object
Class Code
Instances
The number of instances depends on the number of timers in the device.
Instance 1 is always reserved for a real-time clock although a device may not
support it. The total number of timers can be read in Instance 0, Attribute 2.
Class Attributes
Instance Attributes
Hexadecimal Decimal
0x9B
155
Instances (Hex.)
(Dec.)
Device
Example Description
0x0000…0x3FFF
0…16383
Host
0
Class Attributes (Drive)
0x4000…0x43FF
16384…17407 Adapter
1
Real Time Clock (Predefined)
(not always supported)
0x4400…0x47FF
17408…18431 DPI Port 1
2
Timer 1
0x4800…0x4BFF
18432…19455 DPI Port 2
3
Timer 2
0x4C00…0x4FFF
19456…20479 DPI Port 3
…
…
0x5000…0x53FF
20480…21503 DPI Port 4
0x5400…0x57FF
21504…22527 DPI Port 5
0x5800…0x5BFF
22528…23551 DPI Port 6
Attribute ID Access Rule Name
Data Type
Description
1
Read Only
Class Revision
WORD
Revision of object
2
Read Only
Number of Instances
WORD
Number of timers in the object, excluding the
real-time clock that is predefined.
3
Read Only
First Device Specific
Timer
WORD
Instance of the first timer that is not predefined.
4
Write
Time Command Write
BYTE
0 = No Operation
1 = Clear all timers (Does not clear the real-time
clock or read only timers)
Attribute ID Access Rule Name
Data Type
Description
0
Read Only
Read Full
STRUCT of:
STRING[16]
LWORD -or-
STRUCT
BOOL[16]
Name of the timer
Elapsed time in milliseconds unless timer is a
real-time clock (see attribute 2)
See Attribute 3
1
Read Only
Timer Text
STRING[16]
Name of the timer
2
Read/Write
Timer Value
LWORD
-or-
STRUCT of:
WORD
BYTE
BYTE
BYTE
BYTE
BYTE
BYTE
Elapsed time in milliseconds unless the timer is a
real-time clock.
Real-Time Clock Data:
Milliseconds (0…999)
Seconds (0…59)
Minutes (0…59)
Hours (0…23)
Days (1…31)
Months (1 = January, 12 = December)
Years (since 1972)
3
Read Only
Timer Descriptor
BOOL[16]
BOOL[0]: (0 = invalid data, 1 = valid data)
BOOL[1]: (0 = elapsed time, 1 = real time)
BOOL[2…15]: Not used